#include "HLayout.h"
namespace ezui {
	void HLayout::SetAttribute(const UIString& key, const UIString& value)
	{
		if (key == "valign" || key == "align") {
			if (value == "top") {
				ContentAlign = VAlign::Top;
			}
			else if (value == "bottom") {
				ContentAlign = VAlign::Bottom;
			}
		}
		__super::SetAttribute(key, value);
	}
	void HLayout::OnLayout()
	{
		int contentHeight = 0;
		int fixedWidth = 0;
		int fixedTotal = 0;
		int count = 0;//可见控件总数
		for (auto& it : GetControls()) {
			if ((it->IsAutoWidth() || it->IsAutoHeight()) && it->IsPendLayout()) {
				it->RefreshLayout();
			}
			if (it->IsVisible() == false || (it->IsAutoWidth() && it->GetFixedWidth() <= 0)) continue;
			++count;
			auto width = it->GetFixedWidth();
			if (width > 0) {
				fixedWidth += width;
				++fixedTotal;
			}
			fixedWidth += +it->Margin.GetHSpace();
		}
		int autoTotal = count - fixedTotal;
		if (autoTotal == 0) {
			//return;
		}
		double otherWidth = Width() * 1.0 - fixedWidth;
		double autoWidth = otherWidth / autoTotal;
		double maxRight = 0;
		//排序
		for (auto& it : GetControls()) {
			if (it->IsVisible() == false) continue;

			maxRight += it->Margin.Left;
			int height = it->GetFixedHeight();
			int y = it->Y();

			if (height == 0) {
				//当控件未指定绝对高度的时候
				height = this->Height() - it->Margin.GetVSpace();
				y = it->Margin.Top;
			}
			else {
				//当控件指定了绝对高度的时候
				if (ContentAlign == VAlign::Top) {
					y = it->Margin.Top;
				}
				else  if (ContentAlign == VAlign::Mid) {
					y = int((this->Height() * 1.0 - height) / 2.0f + 0.5);
				}
				else  if (ContentAlign == VAlign::Bottom) {
					y = this->Height() - it->Margin.Bottom - height;
				}
			}

			if (it->GetFixedWidth() > 0 || it->IsAutoWidth()) {
				it->SetRect({ (int)maxRight ,y,it->GetFixedWidth() ,height });
				maxRight += it->Width();
			}
			else {
				it->SetRect({ (int)maxRight ,y,(int)autoWidth,height });
				maxRight += it->Width();
			}
			maxRight += it->Margin.Right;
			//统计上下文宽高
			int maxBottom = it->GetRect().GetBottom() + it->Margin.Bottom;
			if (maxBottom > contentHeight) {
				contentHeight = maxBottom;
			}
			this->SetContentSize({ (int)(maxRight + 0.5) ,contentHeight });
		}
	}
	HLayout::HLayout(Object* parentObject) :Control(parentObject)
	{
	}
	HLayout::~HLayout()
	{
	}
};